How to take human input for Array using scanner class | Automation Testing Interview Question

Very well explained sir

very informative sir🙏

Sir I want to become an automation tester sir ( java with selenium ) I took a course in udemy as well but am unable to write the code sir . Yesterday I had an interview sir they asked much on SQL queries, edi files and swagger as well ( as i have 3 years of experience in health care project and in adjudication domain as a manual tester)
But even i don't have any idea on it .
Sir could you suggest me any way to read my goal as an automation tester

I want to learn
TESTNG,
Selenium with java cucumber
SQL
Swagger in API testing

could you suggest a series for it . Please sir